15th Bulgarian-Serbian Astronomical Conference

Important INFO

Posters

The size of the poster should not be larger than size A0 (up to ~ 84 x 119 cm).

There will be 3 poster sessions at 18:30 before the dinners and participants will be able to walk around, read posters and talk personally with the authors. Every poster session will contain a list of different authors. We kindly ask the authors to find their names in the conference's program to which poster session they belong and to hang their posters on the board during that day.

If the authors would like to make a short (up to 5 min) multimedia presentation of the poster, please contact the organizers. We will add you at the end of the afternoon session for the current day.

Payments

The participants of BSAC 15 can pay the conference fee by bank using the bank details given below.

If you would like to receive an invoice, please send the invoice details to the following email address - bsac15@nao-rozhen.org

Bulgarian participants have to pay the conference fee only by bank.

If you have any questions, please, contact the organizers (bsac15@nao-rozhen.org).

Bank details:

Institute of Astronomy and NAO-BAS
72 Tsarigradsko Chaussee Blvd., BG-1784 Sofia, BULGARIA
VAT: BG831654397
Kamen Kozarev

UniCredit Bulbank
7 Sveta Nedelya Sq. q 1000 Sofia
IBAN: BG89 UNCR 9660 3119 9028 10
BIC: UNCRBGSF

Venue

Accomodation

The Conference will take place at Varna creativity house, Varna, Bulgaria. List of prices can be found here.

43°15’50.3″N 28°01’53.9″E
43.263963, 28.031628

Varna Creativity House is situated 12 km on the northeast of Varna, 500 m from the beach. It is located between the tourist complexes “Golden Sands” and “St. Constantine and Helena”. It offers exceptionally good conditions for summer holidays and could be used as a starting base for tours of the entire northern Black Sea coast.

Varna (Bulgarian: Варна, pronounced [ˈvarnɐ]) is the third-largest city in Bulgaria and the largest city and seaside resort on the Bulgarian Black Sea Coast and in the Northern Bulgaria region. Situated strategically in the Gulf of Varna, the city has been a major economic, social, and cultural centre for almost three millennia. Historically known as Odessos (Ancient Greek: Ὀδησσός), Varna developed from a Thracian seaside settlement into a major seaport on the Black Sea. Varna is a significant hub for business, transportation, education, tourism, entertainment, and healthcare. The city is referred to as the maritime capital of Bulgaria and is home to the headquarters of the Bulgarian Navy and merchant marine.

Transport

Varna is accessible by air (Varna International Airport), sea (Port of Varna Cruise Terminal), railway (Central railway station), bus (Central bus station), and road. Major roads include European roads Varna – Bucharest E70, Varna – Istanbul E87 and Varna – Constanta, Romania; national motorways Varna – Sofia A2 (Hemus motorway) and Varna – Burgas A5 (Cherno More motorway). There are bus routes to many Bulgarian and international cities from two bus terminals.

Detailed information on bus and trolley lines, routes and public transport stops is available at:
www.busvarna.com
www.varnatraffic.com
You can also download the mobile app #BusVarna от Google Play
Find the best route with the online Route Planner!

Weather

Varna, due to its location on the Black Sea, draws many visitors who want to enjoy the warm and pleasant seaside climate, at least during the summer. However, in winter, it can get quite cold in Varna, especially when Siberian polar air reaches the Balkans. January is the coldest month, with average temperatures around 6°C. After a spring with often large temperature fluctuations, from June onward, summer weather increasingly dominates in Varna. With afternoon temperatures averaging between 24°C and 28°C, and August being the warmest month, summer is an ideal time to enjoy the coast. It’s no surprise that the beach hotels in Varna often see quite a bit of activity, and the city itself is vibrant during the summer. July, the sunniest month with 283 hours of sunshine, brings many warm summer evenings when both locals and tourists stay out late. Occasionally, a summer rain or thunderstorm may bring this to an end. August, the driest month with only 37 mm of rainfall, sees little disruption.
For those planning to visit in September, it’s good to keep in mind that temperatures start to gradually drop, and there is a slightly higher chance of unsettled weather. October is the wettest month, with 59 mm of rain.

National currency

As of January 1, 2026, the official currency of Bulgaria is the euro (EUR). More information and exchange rates - here.

Visa Requirements